Patents by Inventor Renzo Massari

Renzo Massari has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • U-Profiled improved hose clamp
    Patent number: 4489464
    Abstract: The invention refers to hose clamps of the U-profiled kind and consisting of steel wire. The hose clamp is double U-profiled and presents both ends U-profiled in order to engage a tension auxiliary spiral spring.
    Type: Grant
    Filed: July 7, 1982
    Date of Patent: December 25, 1984
    Inventors: Renzo Massari, Sergio Massari